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<div class="titlepage"><div><div>
<h2 class="title">
<a id="release-notes-7.3.1"></a>Elasticsearch version 7.3.1<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.3.asciidoc">edit</a>
</h2>
</div></div></div>
<p>Also see <a class="xref" href="breaking-changes-7.3.html" title="Breaking changes in 7.3">Breaking changes in 7.3</a>.</p>
<h3>
<a id="enhancement-7.3.1"></a>Enhancements<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.3.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
CCR
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Include leases in error message when operations are no longer available <a href="https://github.com/elastic/elasticsearch/pull/45681" class="ulink" target="_top">#45681</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Core
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Add OCI annotations and adjust existing annotations <a href="https://github.com/elastic/elasticsearch/pull/45167" class="ulink" target="_top">#45167</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/45162" class="ulink" target="_top">#45162</a>, <a href="https://github.com/elastic/elasticsearch/issues/45166" class="ulink" target="_top">#45166</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Settings
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Normalize environment paths <a href="https://github.com/elastic/elasticsearch/pull/45179" class="ulink" target="_top">#45179</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/45176" class="ulink" target="_top">#45176</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Machine Learning
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Outlier detection should only fetch docs that have the analyzed fields <a href="https://github.com/elastic/elasticsearch/pull/44944" class="ulink" target="_top">#44944</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
SQL
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Remove deprecated use of "interval" from date_histogram usage <a href="https://github.com/elastic/elasticsearch/pull/45501" class="ulink" target="_top">#45501</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/43922" class="ulink" target="_top">#43922</a>)
</li>
</ul>
</div>
</dd>
</dl>
</div>
<h3>
<a id="bug-7.3.1"></a>Bug fixes<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.3.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Aggregations
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix early termination of aggregators that run with breadth-first mode <a href="https://github.com/elastic/elasticsearch/pull/44963" class="ulink" target="_top">#44963</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/44909" class="ulink" target="_top">#44909</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Analysis
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Enable reloading of synonym_graph filters <a href="https://github.com/elastic/elasticsearch/pull/45135" class="ulink" target="_top">#45135</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/45127" class="ulink" target="_top">#45127</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Authentication
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Do not use scroll when finding duplicate API key <a href="https://github.com/elastic/elasticsearch/pull/45026" class="ulink" target="_top">#45026</a>
</li>
<li class="listitem">
Fix broken short-circuit in getUnlicensedRealms <a href="https://github.com/elastic/elasticsearch/pull/44399" class="ulink" target="_top">#44399</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
CCR
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Clean up ShardFollowTasks for deleted indices <a href="https://github.com/elastic/elasticsearch/pull/44702" class="ulink" target="_top">#44702</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/34404" class="ulink" target="_top">#34404</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
CRUD
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Allow _update on write alias <a href="https://github.com/elastic/elasticsearch/pull/45318" class="ulink" target="_top">#45318</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/31520" class="ulink" target="_top">#31520</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Data Frame
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix starting a batch transform after stopping at runtime
<a href="https://github.com/elastic/elasticsearch/pull/45340" class="ulink" target="_top">#45340</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/44219" class="ulink" target="_top">#44219</a>, <a href="https://github.com/elastic/elasticsearch/issues/45339" class="ulink" target="_top">#45339</a>)
</li>
<li class="listitem">
Fix null aggregation handling in indexer <a href="https://github.com/elastic/elasticsearch/pull/45061" class="ulink" target="_top">#45061</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/44906" class="ulink" target="_top">#44906</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Distributed
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Ensure AsyncTask#isScheduled remains false after close <a href="https://github.com/elastic/elasticsearch/pull/45687" class="ulink" target="_top">#45687</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/45576" class="ulink" target="_top">#45576</a>)
</li>
<li class="listitem">
Fix clock used in update requests <a href="https://github.com/elastic/elasticsearch/pull/45262" class="ulink" target="_top">#45262</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/45254" class="ulink" target="_top">#45254</a>)
</li>
<li class="listitem">
Restore DefaultShardOperationFailedException’s reason during deserialization <a href="https://github.com/elastic/elasticsearch/pull/45203" class="ulink" target="_top">#45203</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Watcher
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix watcher HttpClient URL creation <a href="https://github.com/elastic/elasticsearch/pull/45207" class="ulink" target="_top">#45207</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/44970" class="ulink" target="_top">#44970</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Packaging
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Use bundled JDK in Sys V init <a href="https://github.com/elastic/elasticsearch/pull/45593" class="ulink" target="_top">#45593</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/45542" class="ulink" target="_top">#45542</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Settings
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix a bug with elasticsearch.common.settings.Settings.processSetting <a href="https://github.com/elastic/elasticsearch/pull/44047" class="ulink" target="_top">#44047</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/43791" class="ulink" target="_top">#43791</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
MULTIPLE AREA LABELS
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix a bug where mappings are dropped from rollover requests. <a href="https://github.com/elastic/elasticsearch/pull/45411" class="ulink" target="_top">#45411</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/45399" class="ulink" target="_top">#45399</a>)
</li>
<li class="listitem">
Sparse role queries can throw an NPE <a href="https://github.com/elastic/elasticsearch/pull/45053" class="ulink" target="_top">#45053</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Machine Learning
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Check dest index is empty when starting data frame analytics <a href="https://github.com/elastic/elasticsearch/pull/45094" class="ulink" target="_top">#45094</a>
</li>
<li class="listitem">
Catch any error thrown while closing data frame analytics process <a href="https://github.com/elastic/elasticsearch/pull/44958" class="ulink" target="_top">#44958</a>
</li>
<li class="listitem">
Only trap the case where more rows are supplied to outlier detection than
expected. Previously, if rows were excluded from the transform after supplying the row count in the configuration, we detected the inconsistency and
failed outlier detection. However, this situation legitimately happens in cases
where the field values are non-numeric or array valued. <a href="https://github.com/elastic/ml-cpp/pull/569" class="ulink" target="_top">#569</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Mapping
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Make sure to validate the type before attempting to merge a new mapping. <a href="https://github.com/elastic/elasticsearch/pull/45157" class="ulink" target="_top">#45157</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/29316" class="ulink" target="_top">#29316</a>, <a href="https://github.com/elastic/elasticsearch/issues/43012" class="ulink" target="_top">#43012</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
SQL
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Adds format parameter to range queries for constant date comparisons <a href="https://github.com/elastic/elasticsearch/pull/45326" class="ulink" target="_top">#45326</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/45139" class="ulink" target="_top">#45139</a>)
</li>
<li class="listitem">
Uniquely named inner_hits sections for each nested field condition <a href="https://github.com/elastic/elasticsearch/pull/45039" class="ulink" target="_top">#45039</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/33080" class="ulink" target="_top">#33080</a>, <a href="https://github.com/elastic/elasticsearch/issues/44544" class="ulink" target="_top">#44544</a>)
</li>
<li class="listitem">
Fix URI path being lost in case of hosted ES scenario <a href="https://github.com/elastic/elasticsearch/pull/44776" class="ulink" target="_top">#44776</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/44721" class="ulink" target="_top">#44721</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Search
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Prevent Leaking Search Tasks on Exceptions in FetchSearchPhase and DfsQueryPhase <a href="https://github.com/elastic/elasticsearch/pull/45500" class="ulink" target="_top">#45500</a>
</li>
<li class="listitem">
Fix an NPE when requesting inner hits and _source is disabled. <a href="https://github.com/elastic/elasticsearch/pull/44836" class="ulink" target="_top">#44836</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/43517" class="ulink" target="_top">#43517</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Security
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix .security-* indices auto-create <a href="https://github.com/elastic/elasticsearch/pull/44918" class="ulink" target="_top">#44918</a>
</li>
<li class="listitem">
Use system context for looking up connected nodes <a href="https://github.com/elastic/elasticsearch/pull/43991" class="ulink" target="_top">#43991</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/43974" class="ulink" target="_top">#43974</a>)
</li>
</ul>
</div>
</dd>
</dl>
</div>
<h3>
<a id="upgrade-7.3.1"></a>Upgrades<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.3.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Infra/Packaging
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Upgrade to JDK 12.0.2 <a href="https://github.com/elastic/elasticsearch/pull/45172" class="ulink" target="_top">#45172</a>
</li>
</ul>
</div>
</dd>
</dl>
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